#include <stdio.h>
#include <unistd.h>

int main()
{
    pid_t id = fork();

    if(id == 0)
    {
        int cnt = 10;
        while(1)
        {
            printf("我是子进程，pid : %d,ppid = %d,cnt = %d\n",getpid(),getppid(),cnt);
            cnt--;
            sleep(1);
        }
    }
    else if(id > 0)
    {
        while(1)
        {
            printf("我是父进程进程，pid : %d,ppid = %d\n",getpid(),getppid());
            sleep(1);
        }
    }

    return 0;
}
